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authorIlpo Järvinen <ilpo.jarvinen@helsinki.fi>2007-10-11 17:36:13 -0700
committerDavid S. Miller <davem@davemloft.net>2007-10-11 17:36:13 -0700
commitb08d6cb22c777c8c91c16d8e3b8aafc93c98cbd9 (patch)
tree139b1f2636c42698bd7b0f0ccd61f0e1b8a826ab /include
parentf785a8e28b9d103c7473655743b6ac1bc3cd3a58 (diff)
downloadlinux-b08d6cb22c777c8c91c16d8e3b8aafc93c98cbd9.tar.gz
[TCP]: Limit processing lost_retrans loop to work-to-do cases
This addition of lost_retrans_low to tcp_sock might be
unnecessary, it's not clear how often lost_retrans worker is
executed when there wasn't work to do.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/tcp.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 9ff456e8d6c7..c5b94c1a5ee2 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -348,6 +348,8 @@ struct tcp_sock {
 	int     lost_cnt_hint;
 	int     retransmit_cnt_hint;
 
+	u32	lost_retrans_low;	/* Sent seq after any rxmit (lowest) */
+
 	u16	advmss;		/* Advertised MSS			*/
 	u16	prior_ssthresh; /* ssthresh saved at recovery start	*/
 	u32	lost_out;	/* Lost packets			*/